# Naiad, Moon of Neptune

**Naiad** is a Moon that orbits round the planet Neptune. Its orbit circumference, the total distance it travels round its planetary parent is 303,019.17 km. The furthest it gets from its orbital parent (apoasis) is 48,241 km. Its mass is estimated/calculated at being 194,826,896,302,635,000 kg. Its density has been calculated at being 1.3 g/cm3. Its volume is 150,533 km3. It was discovered in the year 1989 by Voyager 2. Its orbital period, i.e. the period it takes to complete an orbit round Neptune is 0.294 days. The figure is also known as the sidereel period. The figure comes from N.A.S.A..

The Semi-Major Axis of the orbit is 48,227 km, which is the furthest point from the centre to the edge of an elliptical point.

The mass of the object is calculated at being 194,826,896,302,635,000 kg. The equatorial circumference of Naiad is 207.3 km. The mean radius of Naiad is 33.0 km. The surface area of Naiad is 13,684.78 km2. The surface gravity of the said item is 0.012 m/s2. The average orbit velocity, that is the speed at which it orbits is 42,944.9 km/h.

The orbital inclination, the angle at which Naiad orbits in relation to the orbital plane is 4.691 degrees. The orbital eccentricity is 0.0003, it is the degree at which Naiad orbits close to a circular (0) orbit as opposed to an elliptical (1) orbit.

## Naiad Facts

Type | Moon |

Orbital Circumference | 303,019.17 km |

Furthest from parent (Apoasis) | 48,241 km |

Mass | 194,826,896,302,635,000 kg |

Density | 1.3 g/cm3 |

Volume | 150,533 km3 |

Year of Discovery | 1989 |

Discoverer | Voyager 2 |

Orbital Period | 0.294 |

Semi-Major Axis | 48,227 km |

Mass | 194,826,896,302,635,000 kg |

Equatorial Circumference | 207.3 km |

Mean Radius | 33.0 km |

Surface Area | 13,684.78 km2 |

Surface Gravity | 0.012 m/s2 |

Average Orbit Velocity | 42,944.9 km/h |

Orbital Inclination | 4.691 |

Orbital Eccentricity | 0.0003 |

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